Page 88 - Die Kette der Wunder
P. 88

DIE KETTE DER WUNDER









                 Were the level of carbon-dioxide in the atmosphere any
                 lower, the Earth could not maintain its surface tempera-
                 ture. The surface would lose heat constantly, all the
                 oceans would freeze, and life on Earth would become im-
                 possible.

























































                                               86
   83   84   85   86   87   88   89   90   91   92   93